US4487040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spun polyester warp knit
Assignee: Hillshire Brands Co
•
Filing: 1981-10-30
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Granted: 1984-12-11
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Expires: 2001-10-30
Abstract
Abstract A moldable fabric of improved hand warp knitted on a 28 gauge tricot warp knitting machine using spun polyester stable yarn.
Inventors
- 👤 Shantilal G. Patel
- 👤 William D. Bell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:08
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/02; D04; D04B; D04B21/00; D04B21/14; D10; D10B; D10B2331/00; D10B2331/04; D10B2501/00; D10B2501/02
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
81 words
A moldable fabric having improved hand comprising spun yarn of polyester staples warp knitted on a 28 needle per inch warp knitting machine, said yarn being no coarser than 60 single spun count, said yarn formed from single staples having a length in the range of about 1.5 to about 2 inches and a denier of less than 2, said yarn having a twist in the range of 24 to 36 twists per inch, and said yarn being waxed and steamed.
Claim 2
Dependent Claim
81 words
A moldable fabric having improved hand comprising spun yarn of polyester staples warp knitted on a 28 needle per inch warp knitting machine, said yarn being no coarser than 60 single spun count, said yarn formed from single staples having a length in the range of about 1.5 to about 2 inches and a denier of less than 2, said yarn having a twist in the range of 24 to 36 twists per inch, and said yarn being waxed and steamed.
Claim 3
Dependent Claim
21 words
The moldable fabric according to claim 1, wherein a back bar yarn of the fabric includes a continuous filament moldable yarn.
Claim 4
Dependent Claim
24 words
The moldable fabric according to claim 1, wherein said yarn is no coarser than 50 single spun count for a Raschel warp knitting machine.
Claim 5
Dependent Claim
24 words
The moldable fabric according to claim 1, wherein said yarn is no coarser than 60 single spun count for a tricot warp knitting machine.
Claim 6
Dependent Claim
79 words
A moldable fabric having improved hand comprising spun yarn of polyester staples having a size no coarser than 60 single spun count warp knitted on a tricot warp knitting machine, said yarn being formed from single staples having a length in the range of about 1.5 to about 2 inches and a denier of less than 2, said yarn having a twist in the range of 24 to 36 twists per inch, and said yarn being waxed and steamed.
Claim 7
Dependent Claim
79 words
A moldable fabric having improved hand comprising spun yarn of polyester staples having a size no coarser than 60 single spun count warp knitted on a tricot warp knitting machine, said yarn being formed from single staples having a length in the range of about 1.5 to about 2 inches and a denier of less than 2, said yarn having a twist in the range of 24 to 36 twists per inch, and said yarn being waxed and steamed.
Claim 8
Dependent Claim
20 words
A moldable fabric according to claim 5, wherein said fabric is knitted on a 28 gauge tricot warp knitting machine.
Claim 9
Dependent Claim
79 words
A moldable fabric having improved hand comrising spun yarn of polyester staples having a size no coarser than 50 single spun count warp knitted on a Raschel warp knitting machine, said yarn being formed from single staples having a length in the range of about 1.5 to about 2 inches and a denier of less than 2, said yarn having a twist in the range of 24 to 36 twists per inch, and said yarn being waxed and steamed.
Claim 10
Dependent Claim
79 words
A moldable fabric having improved hand comrising spun yarn of polyester staples having a size no coarser than 50 single spun count warp knitted on a Raschel warp knitting machine, said yarn being formed from single staples having a length in the range of about 1.5 to about 2 inches and a denier of less than 2, said yarn having a twist in the range of 24 to 36 twists per inch, and said yarn being waxed and steamed.
Claim 11
Dependent Claim
18 words
The moldable fabric according to claim 7, wherein said fabric is knitted on a 56 gauge Raschel machine.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-12-11 | 1988-06-11 | 1988-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-12-11 | 1992-06-11 | 1992-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-12-11 | 1996-06-11 | 1996-12-11 | $7700.00 | Window Closed / Lapsed |